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2024-04-25 - 23:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack3slot0.osadl.org (updated Thu Apr 25, 2024 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228812970,0sleep10-21swapper/111:19:171
32482940,2sleep5333799cyclictest10:08:415
192632890,2sleep2331599cyclictest12:26:372
74642830,1sleep47462-21ls10:58:464
296125127,8sleep70-21swapper/707:06:267
295525127,8sleep30-21swapper/307:06:223
283525126,8sleep40-21swapper/407:04:394
190412490,0sleep40-21swapper/411:57:164
223952470,0sleep40-21swapper/412:17:104
291672460,0sleep30-21swapper/311:23:113
320722440,0sleep50-21swapper/510:41:175
302712440,0sleep20-21swapper/211:58:262
50032430,0sleep00-21swapper/012:12:100
305024230,8sleep00-21swapper/007:07:400
299824230,8sleep60-21swapper/607:06:576
114932420,0sleep10-21swapper/110:02:531
57472410,0sleep00-21swapper/012:31:480
41432410,0sleep10-21swapper/111:11:241
50492400,0sleep00-21swapper/011:23:560
287224028,9sleep50-21swapper/507:05:125
68022390,0sleep70-21swapper/712:31:557
303223928,8sleep20-21swapper/207:07:262
171112390,2sleep7335199cyclictest10:52:567
285923825,9sleep10-21swapper/107:05:001
76382360,0sleep50-21swapper/509:52:155
76382360,0sleep50-21swapper/509:52:155
284012340,1sleep4488-21systemd-journal11:42:024
111492230,1sleep449-21ksoftirqd/410:42:284
45262190,1sleep10-21swapper/110:22:151
24152180,0sleep30-21swapper/311:33:043
119752180,1sleep111974-21grepconf.sh12:06:181
47292160,0sleep20-21swapper/211:52:332
332399162,1cyclictest0-21swapper/310:39:123
278522160,0sleep7721ktimersoftd/709:34:157
167062160,1sleep316702-21sshd12:13:253
3300991514,0cyclictest0-21swapper/010:49:420
3300991513,2cyclictest0-21swapper/008:50:260
198792150,0sleep70-21swapper/709:10:217
198792150,0sleep70-21swapper/709:10:217
75822140,1sleep77574-21sshd12:09:047
3344991410,3cyclictest65-21ksoftirqd/610:08:356
332399141,10cyclictest0-21swapper/310:01:413
3315991411,1cyclictest33-21ksoftirqd/210:19:022
330099142,9cyclictest919-21kworker/0:412:05:250
298922140,0sleep70-21swapper/711:07:387
232282140,0sleep10-21swapper/109:27:291
334499136,2cyclictest65-21ksoftirqd/609:44:336
334499130,12cyclictest21316-21systemd12:20:136
333799132,5cyclictest488-21systemd-journal10:54:095
3315991311,1cyclictest33-21ksoftirqd/209:43:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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